16385071426 has 4 divisors (see below), whose sum is σ = 24577607142. Its totient is φ = 8192535712.

The previous prime is 16385071343. The next prime is 16385071441. The reversal of 16385071426 is 62417058361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62417058361 = 7 ⋅8916722623.

It can be written as a sum of positive squares in only one way, i.e., 8253540801 + 8131530625 = 90849^2 + 90175^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4096267855 + ... + 4096267858.

Almost surely, 2^16385071426 is an apocalyptic number.

16385071426 is a deficient number, since it is larger than the sum of its proper divisors (8192535716).

16385071426 is an equidigital number, since it uses as much as digits as its factorization.

16385071426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8192535715.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 16385071426 in words is "sixteen billion, three hundred eighty-five million, seventy-one thousand, four hundred twenty-six".